diff --git a/requirements.txt b/requirements.txt
index 0037cc5..46e6c7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ image==1.5.27
 itsdangerous==1.1.0
 Jinja2==2.10
 kiwisolver==1.0.1
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.1.0
 nibabel==2.3.3
 numpy==1.16.0